<template>
  <!-- dialog弹层 -->
  <el-dialog :title="title" :visible="showDialog" @close="close">
    <el-form ref="form" :rules="rules" :model="formData">
      <el-form-item prop="name" label="部门名称">
        <el-input v-model="formData.name" />
      </el-form-item>
      <el-form-item prop="code" label="部门编码">
        <el-input v-model="formData.code" />
      </el-form-item>
      <el-form-item prop="managerId" label="部门负责人">
        <el-select v-model="formData.managerId" placeholder="请选择负责人" style="width: 100%">
          <!-- 下拉选项 循环 负责人数据 label表示显示的字段; value 存储字段 -->
          <el-option
            v-for="item in manageList"
            :key="item.id"
            :label="item.username"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item prop="introduce" label="部门介绍">
        <el-input v-model="formData.introduce" />
      </el-form-item>
      <el-form-item>
        <el-row>
          <el-col :span="12">
            <el-button type="primary" @click="btnOK">确认</el-button>
            <el-button @click="close">取消</el-button>
          </el-col>
        </el-row>
      </el-form-item>
    </el-form>
  </el-dialog>
</template>

<script>
import { addDepartment, getDepartment, getManagerList, getDepartmentDetail, updateDepartment } from '@/api/department'
export default {
  name: 'AddDept',
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    currentNodeId: {
      type: Number,
      default: null
    }
  },
  data() {
    return {
      formData: {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      },
      rules: {
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 2,
            max: 10,
            message: '部门编码的长度为2-10个字符',
            trigger: 'blur'
          },
          {
            validator: async(rule, value, callback) => {
              let res = await getDepartment()
              if (this.formData.id) {
                res = res.filter(item => item.id !== this.formData.id)
              }
              const isRepeat = res.some((item) => item.code === value)
              isRepeat ? callback(new Error('部门编码重复')) : callback()
            },
            trigger: 'blur'
          }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 100,
            message: '部门介绍的长度为1-100个字符',
            trigger: 'blur'
          }
        ],
        managerId: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 2,
            max: 10,
            message: '部门名称的长度为2-10个字符',
            trigger: 'blur'
          },
          {
            validator: async(rule, value, callback) => {
              let res = await getDepartment()
              if (this.formData.id) {
                res = res.filter(item => item.id !== this.formData.id)
              }
              const isRepeat = res.some((item) => item.name === value)
              isRepeat ? callback(new Error('部门名称重复')) : callback()
            },
            trigger: 'blur'
          }
        ]
      },
      manageList: []// 负责人列表
    }
  },
  computed: {
    title() {
      return this.formData.id ? '编辑部门' : '新增部门'
    }
  },
  created() {
    this.getManagerList()
  },
  methods: {
    close() {
      this.$emit('update:showDialog', false)
      // 重置表单
      this.formData = {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      }
      this.$refs.form.resetFields()
    },
    async getManagerList() {
      this.manageList = await getManagerList()
    },
    // 点击确定时调用
    btnOK() {
      this.$refs.form.validate(async isOK => {
        if (isOK) {
          let msg = '新增'
          // 通过formData中id
          if (this.formData.id) {
            // 编辑场景
            msg = '更新'
            await updateDepartment(this.formData)
          } else {
            // 新增场景
            await addDepartment({ ...this.formData, pid: this.currentNodeId })
          }
          // 通知父组件更新
          this.$emit('updateDepartment')
          // 提示消息
          this.$message.success(`${msg}部门成功`)
          this.close()
        } else {
          return false
        }
      })
    },
    // 获取组织的详情
    async getDepartmentDetail() {
      this.formData = await getDepartmentDetail(this.currentNodeId)
    }
  }
}
</script>

<style lang="scss" scoped></style>
